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AIIMS 2009
Exam
AIIMS
Year
2009
Subject
Chemistry
Chapter
Electrochemistry

AIIMS 2009 · Chemistry · Electrochemistry

The specific conductance of a N/10 KCl at 25^ C is 0.0112 ohm^ -1...

The specific conductance of a N/10 KCl at 25∘C25^{\circ} \mathrm{C} is 0.0112ohm−1 cm−10.0112 \mathrm{ohm}^{-1} \mathrm{~cm}^{-1}. The resistance of cell containing solution at the same temperature was found to be 55ohm55 \mathrm{ohm}. The cell constant will be

Options

  1. A6.16 cm−16.16 \mathrm{~cm}^{-1}
  2. B0.616 cm−10.616 \mathrm{~cm}^{-1}
  3. C0.0616 cm−10.0616 \mathrm{~cm}^{-1}
  4. D616 cm−1616 \mathrm{~cm}^{-1}

Correct answer

B. 0.616 cm−10.616 \mathrm{~cm}^{-1}

Step-by-step solution

We know that specific conductance = Cell constant ×\times conductance ⇒\Rightarrow Cell constant = Resistance ×\times sp. conductance =55×0.0112=0.616 cm−1=55 \times 0.0112=0.616 \mathrm{~cm}^{-1}
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